Lupinus truncatus |
Lupinus sericeus |
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silky lupine |
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Habit | Plants perennial, 2–10(14) dm. | |
Stems | erect, not woody, pubescent. |
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Leaves | cauline, rarely with some leaves clustered near bases; leaflets 6–9, 20–70 × 4–12 mm, linear-elliptic to oblanceolate; tips acute, often apiculate; surfaces strigillose; petioles (18)23–90 mm. |
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Inflorescences | 9–17(24) cm; peduncles 3–8.7 cm; pedicels 3–5(7) mm. |
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Flowers | calyces 4–10 mm, not spurred, sometimes slightly saccate; lips subequal to unequal; corollas 12–16 mm; whitish to blue; banners typical type, abaxially pubescent; spot white, yellow or brown. |
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Fruits | 1.6–3.5 cm, pilosulose. |
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Seeds | 2–6. |
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Lupinus truncatus |
Lupinus sericeus |
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Distribution | ||
Discussion | Disturbed areas, roadsides, meadows, sagebrush open forests. Flowering May–Aug. 50–2200 m. BW, Casc, Col. ID, NV, WA; north to British Columbia, northeast to Alberta, east to WY, southeast to NM. Native. This species may be locally abundant in recently burned areas. |
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Source | Flora of Oregon, volume 2 draft Paul Severns, Stephen Meyers, Christopher Royce |
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Sibling taxa | ||
Synonyms | Lupinus leucopsis, Lupinus leucopsis var. mollis, Lupinus leucopsis var. shermanensis, Lupinus ornatus, Lupinus sericeus var. fikeranus, Lupinus sericeus var. flexuosus, Lupinus sericeus var. sericeus, Lupinus sericeus var. wallowensis | |
Web links |